Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-312970-index-headers.html | 2021-10-29 12:53:59 | |
| 0001193125-21-312970-index.html | 2021-10-29 12:53:59 | |
| 0001193125-21-312970.txt | 2021-10-29 12:53:59 | |
 0001193125-21-312970-xbrl.zip | 158701 | 2021-10-29 12:53:59 |
| d218009d10q.htm | 1324704 | 2021-10-29 12:53:59 |
| d218009d10q_htm.xml | 913125 | 2021-10-29 12:53:59 |
| d218009dex311.htm | 6111 | 2021-10-29 12:53:59 |
| d218009dex312.htm | 6128 | 2021-10-29 12:53:59 |
| d218009dex321.htm | 3042 | 2021-10-29 12:53:59 |
| d218009dex322.htm | 2992 | 2021-10-29 12:53:59 |
| FilingSummary.xml | 31100 | 2021-10-29 12:53:59 |
| Financial_Report.xlsx | 65542 | 2021-10-29 12:53:59 |
 g218009dsp1.jpg | 4994 | 2021-10-29 12:53:59 |
| lstr-20210925.xsd | 38491 | 2021-10-29 12:53:59 |
| lstr-20210925_cal.xml | 52952 | 2021-10-29 12:53:59 |
| lstr-20210925_def.xml | 319135 | 2021-10-29 12:53:59 |
| lstr-20210925_lab.xml | 366672 | 2021-10-29 12:53:59 |
| lstr-20210925_pre.xml | 360144 | 2021-10-29 12:53:59 |
| MetaLinks.json | 597716 | 2021-10-29 12:53:59 |
| R1.htm | 52161 | 2021-10-29 12:53:59 |
| R10.htm | 25615 | 2021-10-29 12:53:59 |
| R11.htm | 76076 | 2021-10-29 12:53:59 |
| R12.htm | 7126 | 2021-10-29 12:53:59 |
| R13.htm | 5624 | 2021-10-29 12:53:59 |
| R14.htm | 4286 | 2021-10-29 12:53:59 |
| R15.htm | 47400 | 2021-10-29 12:53:59 |
| R16.htm | 15262 | 2021-10-29 12:53:59 |
| R17.htm | 79824 | 2021-10-29 12:53:59 |
| R18.htm | 49022 | 2021-10-29 12:53:59 |
| R19.htm | 12182 | 2021-10-29 12:53:59 |
| R2.htm | 94960 | 2021-10-29 12:53:59 |
| R20.htm | 6202 | 2021-10-29 12:53:59 |
| R21.htm | 5021 | 2021-10-29 12:53:59 |
| R22.htm | 27699 | 2021-10-29 12:53:59 |
| R23.htm | 24819 | 2021-10-29 12:53:59 |
| R24.htm | 70753 | 2021-10-29 12:53:59 |
| R25.htm | 43581 | 2021-10-29 12:53:59 |
| R26.htm | 13863 | 2021-10-29 12:53:59 |
| R27.htm | 77705 | 2021-10-29 12:53:59 |
| R28.htm | 49589 | 2021-10-29 12:53:59 |
| R29.htm | 29413 | 2021-10-29 12:53:59 |
| R3.htm | 16403 | 2021-10-29 12:53:59 |
| R30.htm | 41394 | 2021-10-29 12:53:59 |
| R31.htm | 9208 | 2021-10-29 12:53:59 |
| R32.htm | 28633 | 2021-10-29 12:53:59 |
| R33.htm | 24723 | 2021-10-29 12:53:59 |
| R34.htm | 34822 | 2021-10-29 12:53:59 |
| R35.htm | 8873 | 2021-10-29 12:53:59 |
| R36.htm | 5331 | 2021-10-29 12:53:59 |
| R37.htm | 9574 | 2021-10-29 12:53:59 |
| R38.htm | 6780 | 2021-10-29 12:53:59 |
| R39.htm | 34633 | 2021-10-29 12:53:59 |
| R4.htm | 64275 | 2021-10-29 12:53:59 |
| R40.htm | 21035 | 2021-10-29 12:53:59 |
| R41.htm | 6431 | 2021-10-29 12:53:59 |
| R42.htm | 23328 | 2021-10-29 12:53:59 |
| R43.htm | 17912 | 2021-10-29 12:53:59 |
| R44.htm | 6215 | 2021-10-29 12:53:59 |
| R45.htm | 18385 | 2021-10-29 12:53:59 |
| R46.htm | 8803 | 2021-10-29 12:53:59 |
| R47.htm | 51646 | 2021-10-29 12:53:59 |
| R48.htm | 5180 | 2021-10-29 12:53:59 |
| R49.htm | 10011 | 2021-10-29 12:53:59 |
| R5.htm | 27127 | 2021-10-29 12:53:59 |
| R50.htm | 40577 | 2021-10-29 12:53:59 |
| R51.htm | 16279 | 2021-10-29 12:53:59 |
| R52.htm | 6706 | 2021-10-29 12:53:59 |
| R6.htm | 4207 | 2021-10-29 12:53:59 |
| R7.htm | 90234 | 2021-10-29 12:53:59 |
| R8.htm | 82577 | 2021-10-29 12:53:59 |
| R9.htm | 3568 | 2021-10-29 12:53:59 |
| report.css | 2767 | 2021-10-29 12:53:59 |
| Show.js | 1085 | 2021-10-29 12:53:59 |